Hunt Valley, Maryland (22 December 2015)—EA Engineering, Science, and Technology, Inc., PBC (EA), a
leading provider of interdisciplinary environmental services, is pleased to announce the hiring of Walter (Walt) Migdal as a
Senior Project Manager in its Albuquerque, New Mexico office. Walt will initially serve in a quality-related role, providing
technical expertise and business process intelligence on a variety of assignments in the central and western United States.
In addition, Walt will serve as a senior technical resource on remedial construction activities company-wide.

With more than 29 years of experience, Walt is highly regarded in the industry for developing and executing successful
environmental remediation strategies and has effectively managed numerous environmental contracts for the federal government,
including the Department of Defense and Department of Energy. He is a recognized authority on the specialized construction
technologies, equipment, and methodologies used to treat, remove, and control environmental contamination and he provides
clients with added value by focusing on reducing project risks and costs, engaging stakeholders, and incorporating sustainable approaches.

“We are excited to have Walt at EA,” said Roger Place, Vice President. “His expertise is already being put to work on several
complex federal site characterization and remediation efforts in New Mexico, and his construction experience will prove to be an
asset as EA continues to grow its nationwide remediation practice.”

A graduate of the Air Force Academy with a Bachelor of Science Degree in Chemistry, Walt holds two Master of Science
degrees—one from the University of New Mexico in Construction Engineering Management, and the other from the University of
Texas at San Antonio in Natural Resources.

About EA Engineering, Science, and Technology, Inc., PBC

EA is a 100% ESOP-owned public benefit corporation that provides environmental, compliance,
natural resources, and infrastructure engineering and management solutions to a wide range of
government and industrial clients. Headquartered in Hunt Valley, Maryland, EA employs more
than 400 professionals through a network of 24 offices across the continental United States,
as well as Alaska, Hawaii, and Guam. In business for more than 42 years, EA has earned an
outstanding reputation for technical expertise, responsive service, and judicious use of
client resources. For more information about EA, visit www.eaest.com.